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  <title>Set the row position before fetching data</title>

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</div><hr /><div id="function.ingres-result-seek" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">ingres_result_seek</h1>
  <p class="verinfo">(PECL ingres &gt;= 2.1.0)</p><p class="refpurpose"><span class="refname">ingres_result_seek</span> &mdash; <span class="dc-title">Set the row position before fetching data</span></p>

 </div>
 
 <div class="refsect1 description" id="refsect1-function.ingres-result-seek-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="type">bool</span> <span class="methodname"><strong>ingres_result_seek</strong></span>
    ( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$result</code></span>
   , <span class="methodparam"><span class="type">int</span> <code class="parameter">$position</code></span>
   )</div>

  <p class="para rdfs-comment">
   This function is used to position the cursor associated with the result
   resource before issuing a fetch.  If <a href="ingres.configuration.html#ini.ingres.array-index-start" class="link">ingres.array_index_start</a>
   is set to 0 then the first row is 0 else it is 1.
   <span class="function"><strong>ingres_result_seek()</strong></span> can be used only with queries that
   make use of <a href="ingres.configuration.html#ini.ingres.scrollable" class="link">scrollable
   cursors</a>. It cannot be used with
   <span class="function"><a href="function.ingres-unbuffered-query.html" class="function">ingres_unbuffered_query()</a></span>.
  </p>

  <blockquote class="note"><p><strong class="note">Note</strong>: 
   <strong>Related Configurations</strong><br />
   <p class="para">
    See also the <a href="ingres.configuration.html#ini.ingres.scrollable" class="link">ingres.scrollable</a>
    and <a href="ingres.configuration.html#ini.ingres.array-index-start" class="link">ingres.array_index_start</a> directives in 
    <a href="ingres.configuration.html" class="link">Runtime Configuration</a>.
   </p>
  </p></blockquote>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.ingres-result-seek-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<em><code class="parameter">result</code></em></dt>

     <dd>

      <p class="para">
       The result identifier for a query
      </p>
     </dd>

    
    
     <dt>
<em><code class="parameter">position</code></em></dt>

     <dd>

      <p class="para">
       The row to position the cursor on. If <a href="ingres.configuration.html#ini.ingres.array-index-start" class="link">ingres.array_index_start</a>
       is set to 0, then the first row is 0, else it is 1
      </p>
     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.ingres-result-seek-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   成功时返回 <strong><code>TRUE</code></strong>， 或者在失败时返回 <strong><code>FALSE</code></strong>。
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.ingres-result-seek-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-1197">
    <p><strong>Example #1 Position the cursor on the 3rd row</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /><br />$result</span><span style="color: #007700">=</span><span style="color: #0000BB">ingres_query</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"select&nbsp;*&nbsp;from&nbsp;airport&nbsp;where&nbsp;ap_ccode&nbsp;=&nbsp;'ES'&nbsp;order&nbsp;by&nbsp;ap_place&nbsp;asc"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/*&nbsp;goto&nbsp;row&nbsp;3&nbsp;*/<br /></span><span style="color: #007700">if&nbsp;(!</span><span style="color: #0000BB">ingres_result_seek</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">3</span><span style="color: #007700">))<br />{<br />&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #0000BB">ingres_errno</span><span style="color: #007700">()&nbsp;.&nbsp;</span><span style="color: #DD0000">"&nbsp;-&nbsp;"&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #0000BB">ingres_error&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;die(</span><span style="color: #DD0000">"i&nbsp;died"</span><span style="color: #007700">);<br />}<br />else<br />{<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$airport&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">ingres_fetch_object&nbsp;</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #0000BB">$airport</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">ap_iatacode&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #DD0000">"&nbsp;-&nbsp;"&nbsp;</span><span style="color: #007700">.&nbsp;&nbsp;</span><span style="color: #0000BB">$airport</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">ap_name&nbsp;</span><span style="color: #007700">.&nbsp;</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br />}<br /><br /></span><span style="color: #0000BB">ingres_commit</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

   </div>
  </p>
 </div>

 <div class="refsect1 seealso" id="refsect1-function.ingres-result-seek-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="function.ingres-query.html" class="function" rel="rdfs-seeAlso">ingres_query()</a> - Send an SQL query to Ingres</span></li>
    <li class="member"><span class="function"><a href="function.ingres-fetch-array.html" class="function" rel="rdfs-seeAlso">ingres_fetch_array()</a> - Fetch a row of result into an array</span></li>
    <li class="member"><span class="function"><a href="function.ingres-fetch-assoc.html" class="function" rel="rdfs-seeAlso">ingres_fetch_assoc()</a> - Fetch a row of result into an associative array</span></li>
    <li class="member"><span class="function"><a href="function.ingres-fetch-object.html" class="function" rel="rdfs-seeAlso">ingres_fetch_object()</a> - Fetch a row of result into an object</span></li>
    <li class="member"><span class="function"><a href="function.ingres-fetch-row.html" class="function" rel="rdfs-seeAlso">ingres_fetch_row()</a> - Fetch a row of result into an enumerated array</span></li>
   </ul>
  </p>
 </div>


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